Shared memory metadata cache 'pagespeed_default_shm' statistics:
Total put operations: 278002
updating an existing key: 11717
replace/conflict miss: 29266
simultaneous same-key insert: 0
dropped since all of associativity set locked: 0
spinning sleeps performed by writers: 0
Total get operations: 275925
hits: 132882 (48.16%)
Entries used: 235871 (82.78%)
Blocks used: 565638 (99.26%)